Andreas Grävinghoff

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Virtual duplex systems have emerged as an alternative to traditional duplex systems, trading structural for temporal redundancy. When used in dependable embedded systems, virtual duplex systems provide a cost benefit because they require only one instead of two processors. In order to lighten the burden of this single processor, and in order to obey(More)
Embedded systems play an important role in our daily lives: We interact, sometimes unknowingly, with embedded systems in applications ranging from cars, trains, and aircraft to washing machines and other household appliances. In an increasing number of applications, the system’s ability to detect or tolerate transient and permanent faults is important. To(More)
The SB-PRAM is an experimental multiprocessor architecture with a shared address space and synchronously running threads, i.e. giving the illusion to work on a PRAM. A 4-processor prototype has been completed while a 64processor prototype is under construction. We investigate the detection and handling of single bit errors occuring during transmission of(More)
Embedded systems play an important role in our daily lives: We interact, sometimes unknowingly, with embedded systems in applications ranging from cars, trains, and aircraft to washing machines and other household appliances. In an increasing number of applications, the system’s ability to detect or tolerate transient and permanent faults is important. To(More)
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